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Before you begin - check out some quadrilaterals
Before you begin - check out some circles


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Watch a video
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Watch a video
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Activity 1

Find 4 different squares and measure the length.

Draw up the following table and work out the answers.



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Graphing
the Data
  1. Graph the relationship of the length of the side to the perimeter of the squares
  2. Graph the relationship of the length of the side to the area of the squares
  3. You may be able to use a graphics calculator for this part, or your teacher will provide graph paper. Attach your graph paper to this sheet, or copy the drawing from your calculator, taking care with scales etc.
  • What do you notice?

Activity 2

Find 4 different circles and measure the diameter -

# you may need help with this part to ensure you measure through the centre of the circle.

Draw up the following table and work out the answers.



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Graphing the Data
  1. Graph the relationship of the radius to the circumference of the circles
  2. Graph the relationship of the radius to the area of the circles on the same graph
  3. You may be able to use a graphics calculator for this part, or your teacher will provide graph paper. Attach your graph paper to this sheet, or copy the drawing from your calculator, taking care with scales etc.
  • What do you notice?